import Vue from 'vue'
import Router from 'vue-router'
import routes from './routers'
import store from '@/store'
import iView from 'iview'
import { canTurnTo, setTitle } from '@/libs/util'
import config from '@/config'
const { homeName } = config
import SocketStore from "../store/socket";
Vue.use(Router)
const router = new Router({
  routes,
  mode: 'hash'
})
const LOGIN_PAGE_NAME = 'login'

const turnTo = (to, access, next) => {
  if (canTurnTo(to.name, access, routes)) next() // 有权限，可访问
  else next({ replace: true, name: 'error_401' }) // 无权限，重定向到401页面
}

router.beforeEach((to, from, next) => {
  iView.LoadingBar.start()
  const token = store.state.user.token
  if (!token && to.name !== LOGIN_PAGE_NAME) {
    // 未登录且要跳转的页面不是登录页
    next({
      name: LOGIN_PAGE_NAME // 跳转到登录页
    })
  } else if (!token && to.name === LOGIN_PAGE_NAME) {
    // 未登陆且要跳转的页面是登录页
    next() // 跳转
  } else if (token && to.name === LOGIN_PAGE_NAME) {
    // 已登录且要跳转的页面是登录页
    if(store.state.user.user.AuthorityList.includes("admin")){
      next({
        name: homeName // 跳转到homeName页
      })
    }else {
      next({
        name: "teacherSupervisionHome" // 跳转到teacherSupervisionHome页
      })
    }
  } else {
    if(store.state.user.user.AuthorityList.includes("admin") && to.redirectedFrom == "/"){
      next()
    }else if(store.state.user.user.AuthorityList.includes("teacher") && to.redirectedFrom == "/") {
      next({
        name: "teacherSupervisionHome" // 跳转到teacherSupervisionHome页
      })
    }else {
      next()
    }
  }
})

router.afterEach(to => {
  setTitle(to, router.app)
  iView.LoadingBar.finish()
  window.scrollTo(0, 0)
  if(to.name==sessionStorage.getItem("pname")){
    if(store.state.user.user!=null){
      SocketStore.commit("startsocket",store.state.user.user.userId)
    }
  }
  sessionStorage.setItem("pname",to.name)
})

export default router
